Question

how do we know that an application is open on the desktop​

Answer 1

Answer:

#1: Press “Ctrl + Alt + Delete” and then choose “Task Manager”. Alternatively you can press “Ctrl + Shift + Esc” to directly open task manager. #2: To see a list of processes that are running on your computer, click “processes”. Scroll down to view the list of hidden and visible programs.

Answer 2

Answer:

A lesser known, but similar shortcut key is Windows + Tab. Using this shortcut key will display all of your open applications in a larger view. From this view, use your arrow keys to select the appropriate application.

or

#1: Press “Ctrl + Alt + Delete” and then choose “Task Manager”. Alternatively you can press “Ctrl + Shift + Esc” to directly open task manager. #2: To see a list of processes that are running on your computer, click “processes”. Scroll down to view the list of hidden and visible programs.